A few companies tried to market four-valve heads that retained the conventional camshaft location and pushrod design, but custom manifolds were still required, and a prohibitive bottom line doomed ...
Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...
MM&FF And Livernois Motorsports Team Up To Test Ford Racing's Newest Intake Manifold For Three-Valve Mod Motors. The anticipation of Ford Racing Performance Parts' (FRPP) new Three-Valve intake ...